May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Characterization of Ocular Surface Symptoms and Signs of a University Population in Spain
Author Affiliations & Notes
  • A. Peral
    Departamento De Optica,
    E U Optica Universidad Compluten, Madrid, Spain
  • G. Carracedo
    Departamento De Optica,
    E U Optica Universidad Compluten, Madrid, Spain
  • I. Fernandez
    Departamento De Optica,
    E U Optica Universidad Compluten, Madrid, Spain
  • J. Pintor
    Departamento Bioquimica & Biologia Molecular IV,
    E U Optica Universidad Compluten, Madrid, Spain
  • Footnotes
    Commercial Relationships  A. Peral, None; G. Carracedo, None; I. Fernandez, None; J. Pintor, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 4456. doi:
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      A. Peral, G. Carracedo, I. Fernandez, J. Pintor; Characterization of Ocular Surface Symptoms and Signs of a University Population in Spain . Invest. Ophthalmol. Vis. Sci. 2005;46(13):4456.

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Abstract

Abstract: : Purpose: The present study tries to check up on the presence of dry eye problems and also to characterize the typical ocular symptoms and signs associated to this pathology in a random university population. Methods: Two different questionnaires were provided, one for non–contact lens wearers (D.E.Q.) and one for contact lens wearers (C.L.D.E.Q.).These questionnaires were filled by the individuals at the School of Optics. Both forms included scales to measure the prevalence and frequency of different ocular surface symptoms. The sample of the study comprised 115 individuals. Eighty two of them completed the dry eye questionnaire and 33 filled the contact lens dry eye questionnaire. We consider symptomatic patients those who reported any symptom even if it was infrequent. The clinical signs were evaluated by means of TBUT, Schirmer I test and corneal fluorescein staining. Results: The most common ocular symptoms reported from the DEQ were tired eyes (90%); light sensitivity and how uncomfortable were different air qualities (85% and 80% respectively); the necessity of closing the eyes (68%) and eye discomfort (62%). Some of these symptoms, tired eyes and eye discomfort, experimented an increase in intensity in the evening. For the CLDEQ the most frequent symptoms were eye dryness (90%); eye discomfort (87%); blurry vision (78%), and irritation (72%). In this case, all the symptoms were more obvious at the end of the day. About the signs, the group of non–contact lens wearers exhibited a mean value of 6,14±1,98 seconds for TBUT; 19,91±7,15 mm for Schirmer I and the 50% of the sample showed a grade 1 corneal staining. The group of contact lens users revealed a mean value of 4,88±1,44 seconds for TBUT; 14,14±6,67 mm for the Schirmer I test and 80% had a grade 1 corneal staining (Efron scale). Conclusions: Our results show that symptoms of tired eyes and air qualities as well as eye dryness and blurry vision are relatively frequent in this random university population. The intensity of these symptoms appear to increase at the end of the day. Regarding the signs in contact lens users, the TBUT and Schirmer I values were significantly different from the non–contact lens wearers.

Keywords: anterior segment • clinical (human) or epidemiologic studies: prevalence/incidence • contact lens 
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